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  • ColorDoku: Brain Challenge screenshot 1
  • ColorDoku: Brain Challenge screenshot 2
  • ColorDoku: Brain Challenge screenshot 3
  • ColorDoku: Brain Challenge screenshot 4

About ColorDoku: Brain Challenge

Welcome to the Ultimate Color Sudoku Challenge! In this unique puzzle adventure, numbers are gone. Instead, your mind will be tested by a mesmerizing grid of shifting hues. Your mission? Strategically place cute monkeys into the grid following strict, high-IQ logic rules. It looks simple at first glance, but it will quickly challenge your spatial awareness and deductive reasoning like never before! NO NUMBERS, PURE LOGIC This is not your average math game. We have reinvented the classic sudoku mechanic by replacing cold, boring numbers with a rich palette of colors. Your eyes and your brain must work in perfect sync to decode the grid. It’s a pure test of pure logic, pattern recognition, and tactical placement. THE RULES OF THE JUNGLE To solve each masterpiece, you must place the monkeys into the grid by following 4 golden rules inspired by Sudoku and Mine Sweeper: 1 Different Colors: Each monkey must occupy a unique color zone. No two monkeys can share the same color region! 2 Different Rows: Only one monkey is allowed per horizontal row. 3 Different Columns: Only one monkey can stand in any vertical column. 4 No Neighbors (Non-Adjacent): Monkeys are territorial! They cannot be placed in cells that touch each other—not even diagonally. Every single level is a handcrafted grid where only ONE correct combination exists. Can you find the perfect layout using nothing but your wits? KEY FEATURES Innovative Color Sudoku: A brilliant evolution of Sudoku. Experience a visually stunning puzzle game that is gentle on the eyes but intense for the brain. Hundreds of Brain-Teasing Levels: Start with easy to learn the ropes, then progress to mind-bending larger grids that will test even the most hardcore puzzle masters. Stress-Free & Relaxing: No timers, no high-pressure countdowns. Play at your own pace, anytime, anywhere. It is the perfect cozy brain workout before bed or during your daily commute. Beautiful Minimalist Design: Enjoy clean aesthetics, smooth animations, and a soothing ambient soundtrack designed to help you focus and unwind. Challenge yourself with a smarter kind of puzzle. Sharpen your mind, master the color spectrum, and see if you have what it takes to solve the most satisfying logic grid of the year. Download now and start your colorful brain workout today!

What’s new

Version 1.0.2 · Updated July 23, 2026

Experience optimization and bug fixes

App privacy

The developer, META SLOTS LIMITED, reported these privacy practices to Apple.

Data Used to Track You

The following data may be used to track you across apps and websites owned by other companies:

  • Identifiers: Device ID

Data Linked to You

The following data, which may be collected and linked to your identity, may be used for the following purposes:

  • Identifiers: Device ID

Used for: Third-Party Advertising, Analytics

Data Not Linked to You

The following data, which may be collected but is not linked to your identity, may be used for the following purposes:

  • Diagnostics: Crash Data, Performance Data

Used for: Analytics, App Functionality

Alternatives to ColorDoku: Brain Challenge

Looking for apps like ColorDoku: Brain Challenge? Here are 6 similar apps on the App Store. The highest rated is CappyDoku (5.0/5), and all 6 are free to download.

ColorDoku: Brain Challenge vs. alternatives
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